Home / 141,031.88-194,631.13-90,003.70

Finding the Fourth Proportional to 141,031.88, 194,631.13 and 90,003.70

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Solution

The fourth proportional to 141,031.88, 194,631.13 and 90,003.70 is: 124,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,031.88 : 194,631.13 = 90,003.70 : x
  2. Step 2: Convert to fraction form
    141,031.88/194,631.13 = 90,003.70/x
  3. Step 3: Cross multiply
    141,031.88x = 194,631.13 × 90,003.70
  4. Step 4: Simplify right side
    141,031.88x = 17,517,521,123.59
  5. Step 5: Solve for x
    x = 17,517,521,123.59/141,031.88
  6. Step 6: Final answer
    x = 124,209.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.